import {debounce} from "lodash-es";
import blogToc from "./blog-toc.vue"
import blogCode from "./blog-code.vue"
import zoom from 'medium-zoom'
import {createApp} from 'vue'
import {Workbox} from "workbox-window";
import TjNotify from './notification'

const app = createApp({
  data() {
    return {
      scrollY: 0,
      navOpacity: 0,
      isDrawerOpen: false,
      mounted: false,
      isDarkMode: false,
      zoom: null,
      anchors: [],
      tocCollapses: null,
      tocEl: null,
      tocData: null,
      hasToc: false,
      isMobile: false,
      activeAnchor: ''
    }
  },
  methods: {
    sgn(t, x) {
      let k = 1. / (1. - 2 * t);
      if (x <= t) return 0;
      else if (x >= 1 - t) return 1;
      else {
        return k * (x - t);
      }
    },
    "handleScroll": debounce(function f() {
      this.scrollY = window.scrollY;
      this.navOpacity = this.sgn(.0, Math.min(1, Math.max(0, window.scrollY / (this.pageHeadHeight() - this.navBarHeight() * 0.8))));
      const {navBackground, navTitle} = this.$refs;

      if (this.navOpacity >= 1) {
        navBackground.style.opacity = "1";
        navTitle.style.opacity = 1;
      } else {
        navBackground.style.opacity = "0";
        navTitle.style.opacity = "0";
      }
      this.activeAnchor = this.tocSpy()
    }, 16),
    tocSpy() {
      if (this.anchors.length === 0) {
        return ""
      }
      let currentTop = window.pageYOffset
      let lastAnchor = null
      this.anchors.forEach(el => {
        let elTop = el.offsetTop
        if (currentTop + el.scrollHeight >= elTop) {
          lastAnchor = el.id
        }
      })
      if (!lastAnchor) {
        return ""
      }
      return '#' + lastAnchor

    },
    initToc() {
      this.hasToc = true;
      this.tocData = window.tocObj;
      this.anchors = document.querySelectorAll(".post-body h1,h2,h3,h4,h5,h6");
      let e = window.matchMedia('screen and (max-width:1020px');
      e.addEventListener('change', (e) => {
        this.isMobile = e.matches;
      })
      this.isMobile = e.matches;
    },
    initServiceWorker(){
      const wb =  new Workbox(sw_path);
      wb.addEventListener('message',(event)=>{
        if(event.data.type === 'CACHE_UPDATED'){
          this.$notify({
            title:'发现新版本',
            message:'发现新版本，点击更新',
            duration:0,
            onClick:()=>{
              location.reload()
            }
          })
        }
      })
      wb.register();
    },
    handleResize() {
      const {extraContainer, streamContainer} = this.$refs;
      extraContainer.style.left = (streamContainer.offsetWidth - extraContainer.offsetWidth) + 'px';
    },
    navBarHeight() {
      return this.$refs.navBar.offsetHeight;
    },
    pageHeadHeight() {
      return this.$refs.pageHead.offsetHeight;
    },
    toggleDrawer() {
      this.isDrawerOpen = !this.isDrawerOpen;
      document.getElementsByTagName('html')[0].style.overflow = this.isDrawerOpen ? 'hidden' : 'unset';
    },
    switchTheme(themeName) {
      this.isDarkMode = themeName !== "light";
      window.localStorage.setItem("theme", themeName);
      window.document.documentElement.setAttribute("data-theme", themeName);
    },
    updateZoom() {
      if (zoom) {
        setTimeout(() => {
          if (this.zoom) {
            this.zoom.detach()

          }
          this.zoom = zoom('.post-body img', {})
        }, 1000)
      }
    }
  },
  created() {
    window.addEventListener('scroll', this.handleScroll);
    window.addEventListener('resize', this.handleResize);
    window._nonDesktop = function () {
      let check = false;
      (function (a) {
        if (/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series([46])0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino|android|ipad|playbook|silk/i.test(a) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br([ev])w|bumb|bw-([nu])|c55\/|capi|ccwa|cdm-|cell|chtm|cldc|cmd-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc-s|devi|dica|dmob|do([cp])o|ds(12|-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly([-_])|g1 u|g560|gene|gf-5|g-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd-([mpt])|hei-|hi(pt|ta)|hp( i|ip)|hs-c|ht(c([- _agpst])|tp)|hu(aw|tc)|i-(20|go|ma)|i230|iac([ \-\/])|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja([tv])a|jbro|jemu|jigs|kddi|keji|kgt([ \/])|klon|kpt |kwc-|kyo([ck])|le(no|xi)|lg( g|\/([klu])|50|54|-[a-w])|libw|lynx|m1-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t([- ov])|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30([02])|n50([025])|n7(0([01])|10)|ne(([cm])-|on|tf|wf|wg|wt)|nok([6i])|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan([adt])|pdxg|pg(13|-([1-8]|c))|phil|pire|pl(ay|uc)|pn-2|po(ck|rt|se)|prox|psio|pt-g|qa-a|qc(07|12|21|32|60|-[2-7]|i-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h-|oo|p-)|sdk\/|se(c([-01])|47|mc|nd|ri)|sgh-|shar|sie([-m])|sk-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h-|v-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl-|tdg-|tel([im])|tim-|t-mo|to(pl|sh)|ts(70|m-|m3|m5)|tx-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c([- ])|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas-|your|zeto|zte-/i.test(a.substr(0, 4))) check = true;
      })(navigator.userAgent || navigator.vendor || window.opera);
      return check;
    };
    let theme = window.localStorage.getItem("theme");
    if (theme) {
      window.document.documentElement.setAttribute("data-theme", theme);
      if (theme === "dark") {
        this.isDarkMode = true;
      }
    }
  },
  mounted() {
    let tocObj = window.tocObj || undefined;
    if (tocObj) {
      this.initToc();
    }

    let sw_path = window.sw_path || undefined;
    if(sw_path){
      this.initServiceWorker();
    }

    this.updateZoom();
    this.handleScroll();
    this.handleResize();
    this.mounted = true;

    if (document.body.dataset.enableValine === "true") {
      new Valine({
        el: '#vcomments',
        appId: document.body.dataset.valineAppid,
        appKey: document.body.dataset.valineAppkey,
        requiredFields: ['nick', 'mail'],
        enableQQ: true,
        recordIP: true,
      })
    }
  },
  updated() {
    this.updateZoom();
  },
  unmounted() {
    window.removeEventListener('scroll', this.handleScroll);
    window.removeEventListener('resize', this.handleResize);
  }
});
app.component(blogToc.name, blogToc);
app.component(blogCode.name, blogCode);

app.use(TjNotify);
app.mount('#app');
